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3881  Bitcoin / Development & Technical Discussion / Re: 0.1 BTC prize - Find Electrum pass by knowing both unecrypted+encrypted wallet? on: July 17, 2019, 12:18:25 AM
I was thinking we need the seed and the password to get access to those keys, and when i try with bitcoin password it worked, but maybe it does because was the password Electrum asked to configure the wallet. Then when i get access to those private keys i think for a moment i solve the puzzle and i posted here.
Electrum doesn't use the password to generate keys... it only uses the seed mnemonic. The wallet file password is only used to encrypt the data stored in the wallet file. You can setup a wallet without a password using that same seed and it will generate the same addresses/keys.

In any case, it seems you have missed the point of the OP. They were looking for a reliable method to be able to use an unencrypted Electrum wallet to determine the password of an encrypted version of that same Electrum wallet file. They were not simply asking you to "guess" or bruteforce the password for the wallet that they linked. Roll Eyes

And it would appear that odolvlobo has taken pity on you and removed their feedback.
3882  Other / Beginners & Help / Re: BITCOIN TAXES on: July 17, 2019, 12:06:17 AM
The more correct answer is: "It depends on your location and the rules that your specific country (and/or state) has"

You will need to check with the government tax office for your location to see what rules apply and whether or not you have to pay taxes on gains from cryptocurrency transactions.
3883  Bitcoin / Bitcoin Technical Support / Re: Any way to import private key of a MultiSig wallet? on: July 16, 2019, 11:58:32 PM
In a MultiSig address to spend from a specific address, the only way I see is that - to go to the coin tab and spend from there but problem is how do I spend all the coins in one transaction from that address instead of picking each input one by one?
Ummmm why are you manually selecting individual "coins"? Huh

Just goto the "Addresses" tab, find the address you want to spend from... right click and select... wait for it... "spend from" Wink




This will autopopulate the "send" tab will all the available inputs for the selected address:



NOTE: the CTRL-click "trick" also works on the addresses tab Wink
3884  Bitcoin / Bitcoin Technical Support / Re: insufficient funds on: July 16, 2019, 11:41:00 PM
Just be aware that, as bob123, mentioned... by restoring like this, you are losing the protection of 2FA. Additionally, you're operating with a "multi-sig" wallet that can cause issues if you need to extract private keys for specific addresses whatever reason. You'd be well advised to create a completely new "standard" wallet... and move your funds to the new wallet to prevent any issues moving forward.
3885  Economy / Gambling / Re: Seuntjies DiceBot -Multi-Site, multi-strategy betting bot for dice. With Charts! on: July 16, 2019, 11:30:10 PM
Sorry, I'm a little confused by your use of the term "multiplier"... do you mean payout? Huh

So, 10x payout which would equal around ~9.9% chance (on a typical house edge of 1%)... and then slowly increase that payout (11x, 12x, 13x etc), which effectively reduces the chance, while increasing the bet?
3886  Economy / Securities / Re: LoyceV's Legendary 10 Month 10 Person 10 Altcoin Investment Roller Coaster #2 on: July 16, 2019, 04:45:11 AM
Needless to say, I'm not amused by the way they just disable withdrawals for a very long time!
And yet... we have people who claim that storing funds in custodial wallets is "better" than using a hardware wallet... Roll Eyes

This is just another textbox book example of why storing funds "long term" in any sort of custodial wallet is simply a "Bad Idea"™. Your funds are basically at the mercy of the service provider who can (and historically have) made all sorts of arbitrary decisions that affect end user access to their funds Sad

It's pretty messed up that they can say "we're delisting <coin>" and at the same time disable withdrawals for said coin... SMH

3887  Bitcoin / Bitcoin Technical Support / Re: How important is keeping a copy of your Bitcoin Core wallet seed? on: July 13, 2019, 08:52:29 PM
You guys are missing the point... you can't see the Bitcoin Core "seed". At most, all you can see is the "xprv", but as this is derived from hashing the seed... you can't go xprv -> seed.

@hcp it doesn't have to be a number devisible by 32 imo as abdusammad was doing it with an 11 bit seed a while ago (afaik) ...
If it was abdussamad, then it was likely Electrum... which isn't BIP39 by default anyway Wink

If it doesn't adhere to the BIP39 spec, then it isn't truly BIP39 compatible... And I think you may be confusing Entropy and Seed... you start with 128-256 bits of entropy... then convert that to a mnemonic sentence and then from the mnemonic sentence you convert to the binary seed.

I know Ian Coleman's converter will generate 3, 6 and 9 word seed mnemonics... but it does warn you that they are low entropy. Again, because it is outside the 128-256 bit spec.

Have a re-read of: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki
3888  Bitcoin / Development & Technical Discussion / Re: Hardware wallets still aren't secure, and they never will be. Use paper wallets on: July 13, 2019, 06:14:54 AM
Covered already. Don't trust crappy sources of entropy. Again, not a paper wallet vulnerability.
Actually it is... because it applies to all wallets. Sure, it's easy to say "Don't trust crappy sources of entropy"... but then, how is your average user meant to know what is and what isn't a crappy source of entropy? Huh


Quote
Wait, an even better scenerio:

A doctor goes into a complicated heart surgery. They screw up, cut through an artery and the patient dies.
Do they:
A. Go to court because of user error/gross negligence
Or
B. That surgery is never performed again because it's "too dangerous for normal people to do".?
I'm not sure what you're trying to prove with that scenario? My take away from that is that only experienced users (doctors) should be using paper wallets (performing heart surgery) due to the risks involved. Huh

So, I think you've missed what PrimeNumber7 seemed to be getting at... The fact that a given procedure is complex is a "risk" and needs to be mitigated. You mitigate the risks in heart surgery by having experience surgeons perform the procedure. In the case of paper wallets, advising the average joe on the street that paper wallets are "fine" for the average joe on the street is ignoring all of the "risks" inherent with using them... "crappy entropy", issues with change, issues with spending, lack of understanding of what air-gapped really means etc.

One only needs to view the Bitcoin Tech Support, "Wallet" support and B&H subforums here to see all the weird and wonderful ways that "the average joe on the street" finds to dig themselves into a hole when using Bitcoin (and cryptocurrency in general).

It's great that you feel confident enough to safely create and use paper wallets... I would be confident in saying that a vast majority of people on these forums are not. Undecided


Quote
So far I've learned that you blindly trust a hardware wallet manufacturer instead yourself to generate your own private keys. That's not a lesson in my books. That's a step backwards from being your own bank.
So you hand coded all the software necessary in the generation of your private keys? or did you check every single line of code of the software? or did you "blindly trust" the software developer(s) who developed the code you no doubt used to convert your "non-crappy" entropy into private keys?

Pretty much all bitcoin users, myself included, are blindly trusting something at some point... I doubt there are many that have the time nor inclincation to attempt a couple of manual SHA-256 rounds to convert entropy to a private key... (Not sure there are that many who would be keen on attempting a manual RIPEMD-160 either. Tongue )

Simply because one set of users is trusting a hardware wallet manufacturer and another set are trusting a software developer doesn't make one group more or less their own bank.

Are there shortcomings in Hardware wallets? Yes
Are there shortcomings in Paper wallets? Yes
Are there shortcomings in <insert any type of wallet>? Yes

There isn't a "perfect" wallet that covers all use-cases. Find what suits your use-case and figure out how to use it "properly".
3889  Economy / Scam Accusations / Re: stake.com scam on: July 12, 2019, 11:58:58 PM
I was forced to post like this, because I felt like being toyed with and unclear for 8 months. even though they say a maximum of 3 months will help me.
That isn't what they said.

What they actually said (according to your email screenshot) was:
Quote
The way our wallet is setup it is impossible to do that unless we change wallets for all of our users. Which we wont do in atleast 3months from now.

They're telling you that for security reasons, they would need to change the wallets for all users of the site... and they had no plan to do that for at least 3 months. They never said they would do it in a "max" of 3 months... in fact, they didn't specify any maximum limit on when it might happen, just that it definitely wouldn't happen for at least 3 months.


Having said that... theoretically, they should be able to recover the LTC, if they can extract the key for the BTC address. The methods to recover LTC sent to a BTC address are fairly well known and publicised (for example: https://imgur.com/gallery/M5Lah#oZmCOxm). Unfortunately, the issue for services like this is that to extract a single private key creates significant security risks compared with a single user doing it on a privately held wallet. Additionally, the time and effort required would, in most cases, outweigh the value of the "lost" coins.

This is why some of the exchanges have a minimum value of $5000 before they'll consider recover.

At the end of the day, you made a mistake... as unfortunate as that is, Stake.com are not responsible for this issue and are under no real obligation to recover the coins for you. They're certainly not scamming you. Perhaps write to their support and ask that should they update all the wallets in the future, could they consider recovering your LTC?
3890  Bitcoin / Wallet software / Re: Concerned About Human Error and Liability with Wallet on: July 12, 2019, 11:05:23 PM
You're ignoring one of the main tenants of Bitcoin... No control of private keys = No control of coins. Placing all your holdings in custodial wallets is simply a "Bad Idea"™

It's "Be Your Own Bank"... not "Let some online company be your new bank" Wink


- Argument AGAINST Wallet: What happens if a fire occurs and your Trezor wallet is damaged? And on the same day there is a "Run on the Bank" and due to some event the price of BTC will fall to 50% of it's value by tomorrow. Liquidity is a concern when you need to make a rapid move. Apparently the procedure to recover your funds require the key phrases stored on paper and you have to contact customer support.
Ummm no. You simply restore your 24 word seed mnemonic into any BIP39 compatible wallet (software or hardware) and you should have access to your funds. You don't need to contact customer support for anything.


Quote
Sounds unlikely, but Murphy's law...
Yes, your "doomsday" scenario is highly unlikely... If you want to play that game, then one could argue that it's just as likely that an Earthquake or Tornado could wipe out the datacentre of an exchange... poof all coins gone Roll Eyes

3891  Economy / Web Wallets / Re: Blockchain.info API Lost money on generated addresses. How to return the money? on: July 12, 2019, 10:45:33 PM
It's possible that you could leverage the "Wallet" API: https://www.blockchain.com/api/blockchain_wallet_api

And simply call the "New Address" method multiple times to force it out past the gap limit. However, I'm not sure if this will result in the addresses showing up in the web UI (I assume you're logging into the web frontend to view your wallet).

I think the best solution is exporting the seed mnemonic (24 words) and then importing them into Electrum (You need to use the "BIP39 seed" option when creating the wallet) and adjusting the gap limit there as advised above.

You might also need to adjust the derivation path used as, from memory, blockchain.info/.com wallets use a slightly different derivation path.
3892  Bitcoin / Bitcoin Technical Support / Re: Strange hight amount BTC UNCONFIRMED TRANSACCIONs with low fees in one adress?. on: July 12, 2019, 10:32:45 PM
You need to realise that a lot of them are generally estimating for "next block confirmation"... not "within 6 blocks" which is the "less than one hour" metric.

Also, given the volatility of the network lately... "within one hour" can easily become "within one day" if you send a transaction just as a massive spike kicks off. Ask me how I know! Undecided

Johoe's stats and btc.com are my goto pages to get an idea of what the Network is doing... then I usually just ignore it and send with 1 sat/byte anyway! Tongue
3893  Bitcoin / Bitcoin Technical Support / Re: How important is keeping a copy of your Bitcoin Core wallet seed? on: July 12, 2019, 10:08:38 PM
As far as I'm aware... you can't actually see the "wallet seed" in Bitcoin Core. Or at least, not easily. It isn't ever displayed... even when doing a "dumpwallet". All that does is give a Master Private Key (xprv). So you'd need to go digging about in the wallet.dat and/or modify the code to be able to access it.

The Bitcoin Core philosophy has always been that you simply need to create backups of your wallet.dat.

I'm curious to know if anybody knows if you can convert the xprv into a mnemonic phrase. I think i've seen somebody do it here, but i can't find it anymore.
Given that BIP mnemonics are just a way to encode a number, then as long as you can convert the xprv into a number that satisfies the requirements of BIP39, then you could convert it to a mnemonic phrase following the BIP39 algorithm...
The mnemonic must encode entropy in a multiple of 32 bits. With more entropy security is improved but the sentence length increases. We refer to the initial entropy length as ENT. The allowed size of ENT is 128-256 bits.

So, as long as it converts to a 128, 160, 192, 224 or 256bit number, then it should be fairly easy to then convert into a mnemonic.


However, you should note that any "number" you convert the xprv to will likely NOT be the same as the original seed... as seed -> xprv involves hashing. So you wouldn't be able to use your mnemonic in a BIP39 compatible wallet and restore a copy of your Bitcoin Core wallet.

3894  Bitcoin / Hardware wallets / Re: Bitcoin Ledger and other hardware related questions. on: July 12, 2019, 09:54:19 PM
I believe even cryptosteel is prone to being stolen and / or rust taking place on it and messing up with the paper inside (as I know about a few use cases where metal changes its form in size and shape due to various air / oxygen / iron related issues and this could be dangerous while removing the paper as it may also end up tearing paper into many pieces).
Just FYI, you generally don't store paper in a "cryptosteel" type seed mnemonic storage device.

The idea is that you either engrave or "punch" the seed mnemonic directly into the metal... or you use laser engraved letter "tiles" to piece the words together.
3895  Bitcoin / Electrum / Re: Electrum Phishing Attack 2018-2019 – A closer look into the stolen funds. on: July 12, 2019, 04:26:46 AM
How does one get to the fake domain?  You mean by typing electrum in google right?  
That generally seems to be how people end up finding these "fake" domains... personally, I don't ever see them. But I put that down to the adblockers that I use.

There is reason why people say, don't just rely on whatever is the top result on Google. A lot of time it'll be a keyword ad... and they don't really moderate what shows up until the sites are reported via their "safe browsing" reporting system.

I can't get any ads to show up for Electrum, so I'm guessing Google might have finally just blocked that as a keyword after receiving so many reports (or maybe the Electrum devs simply purchased the keyword themselves).
3896  Other / Beginners & Help / Re: How to do a backup from Nano X to Nano S and what is the purpose of this? on: July 12, 2019, 04:16:05 AM
1. HOW CAN I DO A BACKUP of those amounts of assets that I have information on Ledger Nano X?
You would simply initialise the Nano S using the 24 word seed mnemonic that you got when you setup the Nano X. Basically, during setup of the Nano S, you would click the "X" button when it asks if you want to "configure as a new device":


It will then ask you to enter your 24 words. Once this is complete, the Nano S will essentially be a "clone" of the Nano X and allow you to access the same wallets/addresses/assets etc.

Quote
2. What is a purpose of doing this backup if anyway I can have a recovery phrase so I can restore it in ANY case? I would simply buy another new wallet and restore it, so what is the purpose of having a backup wallet?
It's just handy to have... it isn't necessary per se. As you've already stated, with the recover phrase you can restore into another BIP39 wallet or buy a replacement wallet. However, you might like to have ready access to a spare device in case you need to access in a hurry and the X is damaged/stolen/lost etc... being able to restore immediately to an S is a lot safer than restoring to a software wallet and is a lot more convenient  than waiting for delivery of another wallet.
3897  Economy / Scam Accusations / Re: Scam Alert, Miha8 is a big scammer on: July 12, 2019, 04:00:03 AM
I see you have raised a flag and it is currently inactive: https://bitcointalk.org/index.php?action=trust;u=883622;page=iflags

Unfortunately, you have not provided any real proof of your allegation. If you have any demonstrable proof (chat logs, screenshots, emails) that will support your claim, you should post it here so we can consider it and then support your flag.

Unfortunately, given the current lack of evidence... I cannot support this flag at the present time. Undecided
3898  Economy / Scam Accusations / Re: Jenn09 is scammer on: July 12, 2019, 03:53:55 AM
So far only 1 DT member have supported the flag and Jenn09 keeps scamming and reports keep coming..
The flag should hopefully be active now... there are 3+ DT members supporting it. Wink


Also, don't been too impatient... some of us actually have lives outside of BCT and don't just sit on the "Scam Accusations" board hitting F5 Tongue
3899  Bitcoin / Hardware wallets / Re: Bitcoin Ledger and other hardware related questions. on: July 12, 2019, 03:29:52 AM
Would you say its good to be always paranoid though? 
There is "being cautious" and then there is "being paranoid". This should solve all your problems: https://mcphee.com/products/tin-foil-hat Roll Eyes

Seriously, you keep banging on about USB and USB-C devices... you've already been told, simply get "power only" cables or those data blocker adaptors that were listed above. Problem completely solved. You could even buy a powerbank from "Hackers R Us" and use it with those and you'd have no need to worry.

You keep playing the "what if?" game and never seem to want to make an actual decision. If you keep doing that, you'll eventually get to the level of: "Well, what if someone drops a dirty bomb on the bank where my cryptosteel is stored in a safety deposit?" Roll Eyes

Refer: Analysis Paralysis
3900  Bitcoin / Electrum / Re: Bip 39 seed only shows 1 adress on: July 11, 2019, 11:39:09 PM
Hi, I imported a bip39 seed to electrum which contains multiple btc adresses with balance, but electrum wallet only shows 1 adress with balance. Anyone knows why?
Possible causes:
1. Gap limit. Electrum has a default gap limit of 25. If the other addresses are past this generation limit, Electrum won't see them until you force it to.
2. You have a mixture of address types (Legacy + Nested SegWit + Native SegWit etc) in your Ledger Live setup. An Electrum wallet instance only supports one type. So you would need to create a Legacy wallet and then a separate Nested SegWit wallet (and a separate Native SegWit wallet if reqd).


Curious as to why you imported the seed mnemonic directly instead of simply "pairing" Electrum with your Ledger device using the builtin hardware wallet functionality within Electrum? Huh
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